Stocks in the Spotlight Thursday

EBay, Amazon and Medarex rose. SanDisk fell.

eBay (EBAY)

Shares of the online auctioneer surged 11% on strong second-quarter earnings. Pacific Crest analyst Steve Weinstein, who rates eBay at Sector Perform, slightly raised estimates. "Although business appears to have stabilized, we view the trends as uninspiring," Weinstein wrote in a research report. "Additionally, we believe that eBay remains uncompetitive with other e-commerce venues and is likely to continue to lag the market."